Annie T Ginty1, Sarah M Conklin. 1. Department of Psychology and Neuroscience Program, Allegheny College, Meadville, PA 16335, USA. axg937@bham.ac.uk
Abstract
OBJECTIVE: Exaggerated cardiovascular reactivity predicts cardiovascular morbidity and mortality. Some evidence suggests that omega-3 fatty acids improve cardiovascular function. The objective of this study was to examine the influence of an acute low dose of long-chain omega-3 fatty acids on young, healthy individuals. METHODS:Participants (n=34) were randomly assigned to either 21-days of omega-3 fatty acids (1.4 g EPA and DHA) or matched placebo. Cardiovascular measurements were obtained in the laboratory during baseline and during a standard mental arithmetic task, where participants were instructed to engage in serial subtractions by 17s from a four-digit number and cardiovascular reactivity to the task was calculated. RESULTS:Mean arterial pressure reactivity was significantly reduced by supplementation (F(1,32)=5. 12, p=.03, η(2)=.144) but not by placebo. CONCLUSION: Supplementation of omega-3 fatty acids may reduce cardiovascular reactivity to stress.
RCT Entities:
OBJECTIVE: Exaggerated cardiovascular reactivity predicts cardiovascular morbidity and mortality. Some evidence suggests that omega-3 fatty acids improve cardiovascular function. The objective of this study was to examine the influence of an acute low dose of long-chain omega-3 fatty acids on young, healthy individuals. METHODS:Participants (n=34) were randomly assigned to either 21-days of omega-3 fatty acids (1.4 g EPA and DHA) or matched placebo. Cardiovascular measurements were obtained in the laboratory during baseline and during a standard mental arithmetic task, where participants were instructed to engage in serial subtractions by 17s from a four-digit number and cardiovascular reactivity to the task was calculated. RESULTS: Mean arterial pressure reactivity was significantly reduced by supplementation (F(1,32)=5. 12, p=.03, η(2)=.144) but not by placebo. CONCLUSION: Supplementation of omega-3 fatty acids may reduce cardiovascular reactivity to stress.
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